A-B 1756-IF16,also known as Allen-Bradley 1756-IF16,is a ControlLogix analog input module produced by Rockwell Automation.The following is a detailed introduction to the product:

1.Basic Overview

Brand:Allen-Bradley.

Series:ControlLogix.

Model:1756-IF16.

Function:Receive and process analog signals,such as voltage and current signals,for industrial automation control systems.

2.Technical Specifications

Number of channels:

Single-ended wiring:16 analog input channels.

Differential wiring:8 analog input channels.

High-speed differential wiring:4 analog input channels.

Input signal range:±10V,0-10V,0-5V and 0-20mA.

Resolution:

320µV/count(15 bits+sign bipolar) ±10.25V.

160µV/count(16 bits) 0-10.25V.

80µV/count(16 bits) 0-5.125V.

0.32µA/count(16 bits) 0-20.5mA.

A-B 1756-IF16

Scan time:

Single-ended wiring:16-488ms.

Differential wiring:8-244ms.

High-speed differential wiring:5-122ms.

Built-in analog-to-digital converter:Using theΣ-Δmethod,the converted data is stored in integer mode(left-aligned,2’s complement)IEEE 32-bit floating point data format.

Calibration accuracy:better than 0.05%of the voltage input range and 0.15%of the current input range.

III.Features and functions

Multi-channel design:Meets the needs of multi-channel signal monitoring in complex control systems.

High resolution:Capable of accurately measuring and acquiring analog input signals for precise data monitoring and control.

Multiple input types support:supports multiple input types such as current,voltage,thermocouple and thermal resistor,adapting to different types of sensors and measuring devices.

Flexible signal wiring configuration:supports three wiring methods:single-ended,differential and high-speed differential,adapting to different noise environments and data update requirements.

High sampling rate and cold end compensation:monitor the change of voltage signal in real time and correct the impact of temperature change on measurement.

Built-in diagnostic function:monitor module status and performance,detect line faults or abnormalities.

Communication interface:communicate with PLC or DCS through ControlLogix backplane,support Ethernet or other communication protocols.

A-B 1756-IF16

IV.Application

A-B 1756-IF16 analog input module is widely used in industrial automation control systems,such as manufacturing,chemical,petroleum,natural gas,power and other industries.It can be used to monitor and control various process parameters such as temperature,pressure,flow,liquid level,etc.,to improve production efficiency and product quality.

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